...turberculated pipes : h = loss of head in feet by friction. / — length of pipe in feet. t' = mean velocity of flow in feet per second. d = diameter of pipe in feet. h = lOOOd Plot A is a graphical illustration of the loss of head for 100 feet of 6-inch pipe according...

...as follows: Hp — (1) in which HF=head loss due to friction in feet per 1,000 feet of pipe Ks=loss coefficient, determined experimentally V = velocity...feet per second D = diameter of pipe in feet. Values for K8 vary for different types of pipe. For new continuous interior pipe unmarred by projections on...

...diameter, found V=1.72 D°-T H°-BM and Q=1.35 D2-7 H0-"55, where (^discharge in second- feet; V, the mean velocity of flow in feet per second ; D, diameter of pipe in feet ; and H, friction loss per 1,000 feet of pipe. Based either on Kutter's formula or on one of the exponential...